GET /accounts/CheckAvailability?service=mail&continue=http://www.google.com&Email=1234&FirstName=&LastName=&formId=createaccount&inputId=Email&dsh=-8009246618707426504 HTTP/1.1
Host: www.google.com
User-Agent: Mozilla(build 03278)
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: ru
Accept-Encoding: gzip,deflate
Accept-Charset: windows-1251,utf-8;q=0.7,*;q=0.7
Keep-Alive: 115
Connection: keep-alive
Referer: https://www.google.com/accounts/NewAccount?service=mail&continue=http%3A%2F%2Fmail.google.com%2Fmail%2Fe-11-11a71bc069cf1fb8655d5c9f1333972a-3a08e9a1670d1007503df55a912921a69b49e3ba&type=2